Posted in Web Frost Bank (@FrostBank) | Twitter April 23, 2019 The latest Tweets from Frost Bank (@FrostBank). We’ve helped six generations of Texas families and businesses prosper. And we’re here 8 to 5 p.m. Mon–Fri. Or 24/7 at 1-800-513-7678. Member FDIC. Texas : https://twitter.com/FrostBank